2021664771

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2917}}^1$

素因数の和:3145

約数の個数: 64

約数和(自身を含む): 3622988800

約数和(自身を除く): 1601324029

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 193, 399, 513, 579, 1197, 1351, 1737, 2917, 3591, 3667, 4053, 5211, 8751, 11001, 12159, 20419, 25669, 26253, 33003, 36477, 55423, 61257, 77007, 78759, 99009, 166269, 183771, 231021, 387961, 498807, 551313, 562981, 693063, 1163883, 1496421, 1688943, 3491649, 3940867, 5066829, 10474947, 10696639, 11822601, 15200487, 32089917, 35467803, 74876473, 96269751, 106403409, 224629419, 288809253, 673888257, 2021664771]

約数ペア:

[(1, 2021664771), (3, 673888257), (7, 288809253), (9, 224629419), (19, 106403409), (21, 96269751), (27, 74876473), (57, 35467803), (63, 32089917), (133, 15200487), (171, 11822601), (189, 10696639), (193, 10474947), (399, 5066829), (513, 3940867), (579, 3491649), (1197, 1688943), (1351, 1496421), (1737, 1163883), (2917, 693063), (3591, 562981), (3667, 551313), (4053, 498807), (5211, 387961), (8751, 231021), (11001, 183771), (12159, 166269), (20419, 99009), (25669, 78759), (26253, 77007), (33003, 61257), (36477, 55423)]